An activity and two discussions of this lesson introduce the concept of probability and the basic set operations that are useful in solving probability problems that involve counting outcomes. This ma...More: lessons, discussions, ratings, reviews,...

Players choose one of three doors to experimentally determine the odds of winning the grand prize behind one of the doors, as in the TV program "Let's Make a Deal." This site provides a variety of "ex...More: lessons, discussions, ratings, reviews,...

With this applet, students can investigate the probabilities of catching different amounts of raindrops using differently-sized and -placed buckets. This investigation helps give students a sense of t...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
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